WO2019051625A1

WO2019051625A1 - Automatic magnetic buckle and automatic buckling method

Info

Publication number: WO2019051625A1
Application number: PCT/CN2017/000615
Authority: WO
Inventors: 屈芳盟
Original assignee: 屈芳盟
Priority date: 2017-09-12
Filing date: 2017-10-09
Publication date: 2019-03-21
Also published as: CN107448445B; CN107448445A

Abstract

An automatic magnetic buckle and an automatic buckling method, relating to the technical field of magnetic attraction buckles. The automatic magnetic buckle comprises a buckle body (1); the buckle body (1) is provided with a buckle base (2), a buckle head (3), a magnetic attraction assembly (4), and a buckle assembly (5); the buckle base (2) is provided with an annular buckling groove (6); the buckle assembly (5)fits with the annular buckling groove (6); the magnetic attraction assembly (4) is separately disposed in the buckle base (2) and the buckle head (3); the buckle assembly (5) is disposed in the buckle head (3). The buckle base (2) can be automatically and quickly connected to the buckle head (3) by means of the mutual absorption of the magnetic attraction assembly (4), and the buckling time is reduced by means of the quick buckling of the buckle assembly (5); the buckling at different angles can be implemented by means of magnetic attraction members (40) of an annular structure, and the magnetic attraction members (40) of an annular structure have oblique surfaces which match the oblique surfaces of hooks(51), so that the buckle head (3) automatically slide for buckling under the effect of a magnetic force, and the buckling is convenient; the opening and closing of the hooks(51) are controlled by a reset spring (50), and it is convenient for a user to control the opening and closing of the hooks(51) by means of an unbuckling structure (512).

Description

Automatic magnetic buckle and automatic fastening method

Technical field

The invention relates to the technical field of a buckle structure, in particular to an automatic magnetic buckle and an automatic fastening method.

Background technique

The current buckle is magnetically connected by adding a block magnetic member, and the connection is limited by the angle, which is easy to cause the connection position to be inaccurate, resulting in unstable fixing; and the existing buckle of the buckle is integral The structure, when being fastened and separated, requires both hands to operate, is inconvenient to operate, and has poor practicability.

Summary of the invention

The present invention is directed to the current technical deficiencies and provides an automatic magnetic snap.

The invention also provides an automatic fastening method.

The technical solution adopted by the present invention to achieve the above object is:

An automatic magnetic buckle includes a buckle body, the buckle body is provided with a buckle seat, a buckle head, a magnetic component and a buckle assembly;

For further improvement, the buckle seat is provided with an annular fastening groove, the buckle assembly is matched with the annular fastening groove, and the magnetic components are respectively disposed in the buckle seat and the buckle, the buckle component Set in the buckle.

For further improvement, the buckle body is provided with a cavity 1 and a cavity 2, the cavity is disposed in the buckle seat, the cavity 2 is disposed in the buckle, and the buckle component is disposed on the buckle The head cavity is two.

For further improvement, the cavity 1 and the cavity 2 are provided with a magnetic component assembly cavity, the cavity 1 is further provided with a hook cavity, and the cavity 2 is further provided with a buckle component fixing cavity, the buckle The component fixing cavity is provided with a fixing column.

Further, the magnetic component is composed of two magnetic components that are mutually attracted, and the magnetic components are respectively disposed in the cavity of the cavity and the magnetic component of the cavity 2. The magnetic component is Circular knot Structure

Wherein, the inner side of the annular structure magnetic member disposed in the buckle seat is provided with a sloped surface, and the inclined surface faces the center of the circle.

Further, the buckle assembly is provided with a return spring and a hook, the hook is provided with a through hole, and the buckle assembly is provided with a tripping structure;

For further improvement, the tripping structure is a bump, and the bumps respectively control the hooks to be closer to the center of the toroidal structure magnetic member.

Further improved, the tripping structure is a rope that controls the hooks to move toward the center of the toroidal structure magnetic member, respectively.

Further modified, the return spring is a single double-head shaped spring, and the single double-head shaped spring is disposed between the two hooks and constitutes a rotational connection by a fixing column, which is a cross-shaped structure or a U-shaped The structure, the shaped spring tail end is attached to the tail end of the hook, and the two hooks control the contraction and unfolding of the tail end of the hook by a single double-head shaped spring.

Further, the return spring comprises two shaped springs, and the two shaped springs are disposed on two sides of the hooks and form a rotational connection by a fixing column, and the rotating connection is a cross-shaped structure or a U-shaped structure, The end of the shaped spring is attached to the end of the hook, and the two hooks respectively control the contraction and expansion of the end of the hook by two shaped springs.

An automatic fastening method for implementing an automatic magnetic buckle includes the following steps:

(1) When the buckle seat and the buckle head are close to each other, the two circular structure magnetic members in the buckle seat and the buckle head attract each other;

(2) under the magnetic force of the magnetic members of the two annular structures in the buckle seat and the buckle, the buckle assembly in the buckle is inserted from the hole of the magnetic member of the annular structure of the buckle;

(3) After the two hook heads of the buckle assembly completely enter the hook cavity, the two hooks are unfolded to the two sides under the control of the return spring, and the hooks are engaged with the annular snap groove to complete the fastening action of the buckle seat and the buckle.

For further improvement, the method further comprises the following steps: (4) performing a tripping action on the tripping structure, and the tripping structure controls the two hooks to be close to each other toward the center of the magnetic member of the toroidal structure, so that the hook is separated from the annular fastening groove; Pull the buckle and the buckle in the opposite direction to complete the separation of the buckle and the buckle.

For further improvement, the tripping structure in the step (4) is divided into a bump and a rope, and the step (4) There are two ways to unlock: (41) when the tripping structure is a bump, the two bumps are pressed inward, and the two bump control hooks are brought closer to the center of the magnetic member of the circular ring structure, so that the hook (42) The tripping structure is a rope, the two ropes are pulled outward, and the two rope control hooks are misaligned toward the center of the annular structure magnetic member, so that the hooks are disengaged from the annular fastening groove.

For further improvement, in the step (2), the process of inserting the buckle component in the buckle from the hole in the magnetic structure of the annular structure of the buckle comprises the following contents: the hook of the buckle component in the buckle The annular structure magnetic members are close to and in contact with each other, and the ends of the hooks slide into the hook chamber along the inner slope of the annular structure magnetic member.

The invention has the beneficial effects that the magnetic member is arranged to automatically and quickly connect the buckle and the buckle seat, and the magnetic member has a circular ring structure, so that the buckle is not restricted by the angle when being fastened. Improve the practicability; by the beveled surface of the magnetic member in the toroidal structure, the inclined surface faces the direction of the center of the circle, the inclined surface enables the hook to slide into the hook cavity quickly, and the position of the buckle when the buckle is connected with the buckle seat is aligned, and one hand can be realized. The buckle assembly is provided with a tripping structure, which is convenient for the user to buckle and separate the buckle, thereby saving operation steps and time.

The present invention will be further described below in conjunction with the drawings and specific embodiments.

DRAWINGS

1 is a schematic view showing the overall structure of an automatic magnetic buckle of Embodiments 1 to 4;

2 is a cross-sectional structural view of the automatic magnetic buckle of the first embodiment to the fourth embodiment;

3 is a cross-sectional structural view of the buckle seat of the first embodiment to the fourth embodiment;

4 is a cross-sectional structural view of the buckle of the first embodiment to the fourth embodiment;

5 is a schematic structural view of a magnetic attraction assembly of Embodiments 1 to 4;

6 is a schematic structural view showing the fixing end of a single return spring of the embodiment 1 fixed to the fine hole;

7 is a schematic structural view of a single return spring end wrapping and wrapping of Embodiment 3;

8 is a schematic structural view showing the fixing ends of the two return springs of the embodiment 2 fixed to the fine holes;

9 is a schematic structural view of the two return spring end wrappings of Embodiment 4 and Embodiment 8;

10 is a schematic overall structural view of an automatic magnetic buckle of Embodiments 5 to 8;

Figure 11 is a cross-sectional structural view showing the automatic magnetic snap fasteners of Embodiments 5 to 8;

Fig. 12 is a cross-sectional structural view showing the buckles of the fifth to eighth embodiments.

In the figure: 1. buckle body, 2. buckle seat, 3. buckle head, 4. magnetic suction assembly, 5. buckle assembly, 6. annular buckle groove, 10. cavity one, 11. cavity two, 12. Magnetic component placement cavity, 40. Magnetic member, 50. Reset spring, 51. Hook, 100. Hook cavity, 110. Clip assembly placement cavity, 111. Fixed column, 510. Through hole, 511. , 512. Unlocking structure.

Detailed ways

The following description is only a preferred embodiment of the invention and is not intended to limit the scope of the invention.

Embodiment 1 Referring to Figures 1 to 6, an automatic magnetic buckle includes a buckle body 1 , and the buckle body 1 is provided with a buckle seat 2 , a buckle 3 , a magnetic component 4 and a buckle assembly 5; The buckle seat 2 is provided with an annular fastening groove 6 , and the buckle assembly 5 is matched and fastened to the annular fastening groove 6 , and the magnetic components 4 are respectively disposed in the buckle seat 2 and the buckle 3 , the card The buckle assembly 5 is disposed in the buckle 3.

The buckle body 1 is provided with a cavity 10 and a cavity 2, the cavity 10 is disposed in the buckle 2, and the cavity 2 is disposed in the buckle 3, and the buckle assembly 5 is disposed in the cavity 3 of the buckle 3; the cavity 10 and the cavity 21 are provided with a magnetic component placement cavity 12, and the cavity 10 is further provided with a hook cavity 100, the cavity 2 11 is further provided with a buckle assembly fixing cavity 110, and the snap component fixing cavity 110 is provided with a fixing post 111.

The magnetic component 4 is composed of two magnetic components 40 that are mutually attracted, and the magnetic components 40 are respectively disposed in the cavity 10 and the magnetic component placement cavity 12 of the cavity 12, wherein one magnetic attraction The member 40 is a magnetic material, the other magnetic member 40 is a magnetic metal material or a magnetic material, and the magnetic member 40 has a circular ring structure; the annular structure magnetic member disposed in the buckle seat 3 The inner side of the 40 is provided with a sloped surface facing the center of the circle, and the magnetic member 40 has a circular ring structure so that the fastening angle is not limited.

The buckle assembly 5 is provided with a return spring 50 and two hooks 51. The hooks 51 are provided with through holes 510 at the intermediate positions. The buckle assembly 5 is provided with a tripping structure 512, and the rear end of the return spring 50 is disposed. At the end of the hook 51, the tripping structure 512 is a bump, which facilitates the user to control the hook 51 to contract and unfold.

The return spring 50 is a single double-head shaped spring, and the single double-head shaped spring is disposed in two The pivotal connection is formed between the hooks 51 and through the fixing post 111. The rotational connection is a cross-shaped structure or a U-shaped structure, the rotational connection causes the two hooks 51 to be displaced, and the single double-head shaped spring tail The end of the hook 51 is fitted, and the end of the single double-head shaped spring is fixed in the hole 511 at the tail of the hook 51. The hooks 51 control the contraction and unfolding of the end of the hook 51 by a single double-head shaped spring.

Embodiment 2, referring to FIGS. 1 to 5 and FIG. 8, an automatic magnetic buckle includes a buckle body 1 , and the buckle body 1 is provided with a buckle seat 2 , a buckle 3 , a magnetic component 4 and a buckle assembly The buckle base 2 is provided with an annular fastening groove 6 , and the buckle assembly 5 is matched and fastened to the annular fastening groove 6 , and the magnetic components 4 are respectively disposed in the buckle seat 2 and the buckle 3 . The buckle assembly 5 is disposed in the buckle 3 .

The return spring 50 is two shaped springs, and the two shaped springs are disposed between the two hooks 51 and form a rotational connection by the fixing post 111. The rotating connection is a cross-shaped structure or a U-shaped structure, the rotation The connection causes the two hooks 51 to be misaligned, the single double-headed spring tail is fitted with the tail end of the hook 51, and the ends of the two shaped springs are fixed at the tail of the hook 51. In the fine hole 511, the two hooks 51 respectively control the contraction and expansion of the tail end of the hook 51 by two irregular springs.

Embodiment 3, referring to FIGS. 1 to 5 and FIG. 7, an automatic magnetic buckle includes a buckle body 1 , the buckle body 1 is provided with a buckle seat 2 , a buckle 3 , a magnetic component 4 and a buckle assembly The buckle base 2 is provided with an annular fastening groove 6 , and the buckle assembly 5 is matched and fastened to the annular fastening groove 6 , and the magnetic components 4 are respectively disposed in the buckle seat 2 and the buckle 3 . The buckle assembly 5 is disposed in the buckle 3 .

The buckle assembly 5 is provided with a return spring 50 and two hooks 51. The upper ends of the hooks 51 are provided with through holes 510. The buckle assembly 5 is provided with a tripping structure 512, and the rear end of the return spring 50 is disposed at The tail end of the hook 51 is a protrusion, and the protrusion is convenient for the user to control the hook 51 to contract and unfold.

The return spring 50 is a single double-head shaped spring, and the single double-head shaped spring is disposed between the two hooks 51 and constitutes a rotational connection by a fixing post 111, and the rotating connection is a cross-shaped structure or a U-shaped structure. The rotating connection causes the two hooks 51 to be dislocated, the single double-headed spring tail is engaged with the tail end of the hook 51, and the single double-head shaped spring tail wraps the tail of the hook 51, and the two hooks 51 The contraction and deployment of the end of the hook 51 is controlled by a single double-head shaped spring.

Embodiment 4, referring to FIGS. 1 to 5 and FIG. 9, an automatic magnetic buckle includes a buckle body 1 The buckle body 1 is provided with a buckle seat 2, a buckle 3, a magnetic assembly 4 and a buckle assembly 5; the buckle seat 2 is provided with an annular fastening groove 6, the buckle assembly 5 and the annular fastening groove 6 The snap-fit connection is matched, and the magnetic components 4 are respectively disposed in the buckle seat 2 and the buckle 3, and the buckle assembly 5 is disposed in the buckle 3.

The magnetic component 4 is composed of two magnetic components 40 that are attracted to each other. The magnetic components 40 are respectively disposed in the cavity 10 of the cavity 10 and the magnetic component placement cavity 12 of the cavity 20, wherein one magnetic attraction The member 40 is a magnetic material, the other magnetic member 40 is a magnetic metal material or a magnetic material, and the magnetic member 40 has a circular ring structure; the annular structure magnetic member disposed in the buckle seat 3 The inner side of the 40 is provided with a sloped surface facing the center of the circle, and the magnetic member 40 has a circular ring structure so that the fastening angle is not limited.

The return spring 50 is two shaped springs, and the two shaped springs are disposed between the two hooks 51 and form a rotational connection by the fixing post 111. The rotating connection is a cross-shaped structure or a U-shaped structure, the rotation The two hooks 51 are misaligned, and the ends of the two shaped springs are respectively respectively engaged with the tail ends of the hooks 51. The end of the shaped springs wraps the tails of the hooks 51. The two hooks 51 are respectively controlled by two shaped springs. The contraction and unfolding of the end of the hook 51.

The automatic fastening method for the automatic magnetic buckle of the first embodiment to the fourth embodiment includes the following steps:

(1) When the buckle seat 2 and the buckle head 3 are close to each other, the buckle seat 2 and the two circular structure magnetic members 40 in the buckle head 3 are attracted to each other;

(2) under the magnetic force of the two circular structure magnetic members 40 in the buckle seat 2 and the buckle 3, the buckle The snap assembly 5 in the head 3 is inserted from the hole in the annular structure magnetic member 40 of the buckle 2;

(3) After the heads of the two hooks 51 of the buckle assembly 5 completely enter the hook cavity 100, the two hooks 51 are unfolded to the two sides under the control of the return spring 50, and the hooks 51 are engaged with the annular fastening slots 6 to complete the buckle seat 2 and The fastening action of the buckle 3;

(4) performing a tripping action on the tripping structure 512, wherein the tripping structure 512 is a bump, and the two bumps are pressed inward, and the two bumps control the two hooks 51 to approach the center of the toroidal structure magnetic member 40. Shrinking, the hook 51 is disengaged from the annular fastening groove 6; and the buckle 3 and the buckle seat 2 are pulled apart in the opposite direction to complete the separation of the buckle 3 and the buckle seat 2.

In the step (2), the process of inserting the buckle assembly 5 in the buckle 3 from the hole in the magnetic structure of the annular structure of the buckle 2 includes the following: the buckle component in the buckle 3 The hook 51 of the 5 is in close contact with and in contact with the annular structure magnetic member 40, and the end of the hook 51 slides into the hook cavity 100 along the inner slope of the toroidal structure magnetic member 40.

Embodiment 5, referring to FIG. 3, FIG. 5, FIG. 6 and FIG. 10 to FIG. 12, an automatic magnetic buckle includes a buckle body 1, and the buckle body 1 is provided with a buckle seat 2, a buckle 3, and a magnetic attraction. The assembly 4 and the buckle assembly 5; the buckle base 2 is provided with an annular fastening groove 6, the buckle assembly 5 is matched with the annular fastening groove 6, and the magnetic components 4 are respectively disposed on the buckle seat 2 In the buckle 3, the buckle assembly 5 is disposed in the buckle 3.

The buckle assembly 5 is provided with a return spring 50 and two hooks 51. The hooks 51 are provided with through holes 510 at the intermediate positions. The buckle assembly 5 is provided with a tripping structure 512, and the rear end of the return spring 50 is disposed. At the end of the hook 51, the trip structure 512 is a cord that facilitates the user to control the hook 51 to contract and unfold.

The return spring 50 is a single double-head shaped spring, and the single double-head shaped spring is disposed between the two hooks 51 and constitutes a rotational connection by a fixing post 111, and the rotating connection is a cross-shaped structure or a U-shaped structure. The rotating connection causes the two hooks 51 to be displaced in position. The single double-head shaped spring tail end is attached to the tail end of the hook 51, and the single double-head shaped spring tail end is fixed in the fine hole 511 at the tail of the hook 51. The hook 51 controls the contraction and deployment of the end of the hook 51 by a single double-head shaped spring.

Embodiment 6, referring to FIG. 3, FIG. 5, FIG. 8 and FIG. 10 to FIG. 12, an automatic magnetic buckle includes a buckle body 1, and the buckle body 1 is provided with a buckle seat 2, a buckle 3, and a magnetic attraction. The assembly 4 and the buckle assembly 5; the buckle base 2 is provided with an annular fastening groove 6, the buckle assembly 5 is matched with the annular fastening groove 6, and the magnetic components 4 are respectively disposed on the buckle seat 2 In the buckle 3, the buckle assembly 5 is disposed in the buckle 3.

The buckle assembly 5 is provided with a return spring 50 and two hooks 51. The hooks 51 are provided with through holes 510 at the intermediate positions. The buckle assembly 5 is provided with a tripping structure 512, and the return spring 50 is provided with a tail end. Positioned at the end of the hook 51, the trip structure 512 is a cord that facilitates the user to control the hook 51 to contract and unfold.

The return spring 50 is two shaped springs, and the two shaped springs are disposed between the two hooks 51 and form a rotational connection by the fixing post 111. The rotating connection is a cross-shaped structure or a U-shaped structure, the rotation The connection causes the two hooks 51 to be dislocated, the single double-headed spring end is attached to the tail end of the hook 51, and the ends of the two shaped springs are fixed in the holes 511 at the tail of the hook 51, the two hooks 51 respectively controls the contraction and expansion of the end of the hook 51 by two shaped springs.

Embodiment 7, referring to FIG. 3, FIG. 5, FIG. 7 and FIG. 10 to FIG. 12, an automatic magnetic buckle includes a buckle body 1, and the buckle body 1 is provided with a buckle seat 2, a buckle 3, and a magnetic attraction. The assembly 4 and the buckle assembly 5; the buckle base 2 is provided with an annular fastening groove 6, the buckle assembly 5 is matched with the annular fastening groove 6, and the magnetic components 4 are respectively disposed on the buckle seat 2 In the buckle 3, the buckle assembly 5 is disposed in the buckle 3.

The buckle assembly 5 is provided with a return spring 50 and two hooks 51. The upper ends of the hooks 51 are provided with through holes 510. The buckle assembly 5 is provided with a tripping structure 512, and the rear end of the return spring 50 is disposed at The end of the hook 51 is the rope, and the rope is convenient for the user to control the hook 51 to contract and unfold.

Embodiment 8, referring to FIG. 3, FIG. 5, FIG. 9 to FIG. 12, an automatic magnetic buckle includes a buckle body 1, and the buckle body 1 is provided with a buckle seat 2, a buckle 3, a magnetic component 4, and The buckle assembly 5 is provided with an annular fastening groove 6 , and the buckle assembly 5 is matched and fastened to the annular fastening groove 6 , and the magnetic component 4 is respectively disposed on the buckle seat 2 and the buckle In FIG. 3, the buckle assembly 5 is disposed in the buckle 3.

The return spring 50 is two shaped springs, and the two shaped springs are disposed between the two hooks 51 and constitute a rotational connection by the fixing post 111, the rotating connection is a cross-shaped structure or The U-shaped structure, the rotating connection causes the two hooks 51 to be displaced, and the ends of the two shaped springs are respectively respectively engaged with the tail ends of the hooks 51, and the ends of the shaped springs wrap the tails of the hooks 51, and the hooks 51 The contraction and expansion of the end of the hook 51 are controlled by two shaped springs, respectively.

The automatic fastening method of the automatic magnetic buckle of the above embodiments 5 to 8 includes the following steps:

(2) Under the magnetic force of the two circular structure magnetic members 40 in the buckle 2 and the buckle 3, the buckle assembly 5 in the buckle 3 is from the annular structure magnetic member 40 of the buckle 2 Hole insertion

(4) The tripping structure 512 is tripped, and the tripping structure 512 is a rope. The two ropes respectively control the disengagement of the two snap components 5 to the center of the annular structure magnetic member 40 by the pulling hook 51, so that the hooks are hooked. The detachment of the buckle 3 and the buckle 2 is performed in the opposite direction, and the separation of the buckle 3 and the buckle 2 is completed.

The invention provides a magnetic member, so that the buckle head and the buckle seat are automatically and quickly connected into one body, and the magnetic attraction member has a circular ring structure, so that the buckle head is not restricted by the angle when being fastened, thereby improving practicability; The magnetic structure of the circular ring structure has a sloped surface, and the inclined surface faces the center of the circle. The inclined surface enables the hook to slide into the hook cavity quickly, ensuring the position of the buckle when the buckle is connected with the buckle seat, and one-hand operation can be realized; The two hooks are controlled by the return spring to be contracted and unfolded. The buckle assembly is provided with a tripping structure, which is convenient for the user to buckle and separate the buckle, thereby saving operation steps and time.

The present invention is not limited to the above embodiment, and other automatic magnetic snap and automatic fastening methods obtained by using the same or similar methods or devices as the above-described embodiments of the present invention are all in the present invention. Within the scope of protection.

Claims

An automatic magnetic buckle is characterized in that it comprises a buckle body, and the buckle body is provided with a buckle seat, a buckle head, a magnetic component and a buckle assembly;

The buckle seat is provided with an annular fastening groove, the buckle assembly is matched with the annular fastening groove, and the magnetic components are respectively disposed in the buckle seat and the buckle, and the buckle component is disposed on the buckle Inside.
The automatic magnetic buckle according to claim 1, wherein the buckle body is provided with a cavity 1 and a cavity 2, the cavity is disposed in the buckle seat, and the cavity 2 is disposed in the In the buckle, the buckle assembly is disposed in the cavity 2 of the buckle.
The automatic magnetic buckle according to claim 2, wherein the cavity 1 and the cavity 2 are provided with a magnetic component placement cavity, and the cavity is further provided with a hook cavity, and the cavity 2 is further A snap assembly fixing cavity is disposed, and the snap component fixing cavity is provided with a fixing post.
The automatic magnetic buckle according to claim 3, wherein the magnetic component is composed of two magnetic members that are mutually attracted, and the magnetic members are respectively disposed on the magnetic body of the cavity one and the cavity two. The suction assembly is placed in the cavity, and the magnetic member has a circular ring structure;

Wherein, the inner side of the annular structure magnetic member disposed in the buckle seat is provided with a sloped surface, and the inclined surface faces the center of the circle.
The automatic magnetic buckle according to claim 2, wherein the buckle assembly is provided with a return spring and a hook, the hook is provided with a through hole, and the buckle assembly is provided with a tripping structure.
The automatic magnetic buckle according to claim 5, wherein the return spring is a single double-head shaped spring, and the single double-head shaped spring is disposed between the two hooks and constitutes a rotational connection by a fixing post. The rotating connection manner is a cross-shaped structure or a U-shaped structure, and the end of the shaped spring is connected with the tail end of the hook, and the two hooks control the contraction and expansion of the tail end of the hook by a single double-head shaped spring.
The automatic magnetic buckle according to claim 5, wherein the return spring comprises two profiled springs, and the two shaped springs are disposed on both sides of the hook and form a rotational connection by a fixing post, the rotational connection The method is a cross-shaped structure or a U-shaped structure, and the end of the shaped spring is connected with the tail end of the hook, and the two hooks respectively control the contraction of the tail end of the hook by two special-shaped springs. And expand.
An automatic fastening method for an automatic magnetic buckle according to any one of claims 1 to 7, characterized in that it comprises the following steps:

(1) When the buckle seat and the buckle head are close to each other, the two circular structure magnetic members in the buckle seat and the buckle head attract each other;

(2) under the magnetic attraction of the two circular structure magnetic members in the buckle seat and the buckle, the buckle assembly in the buckle is inserted from the hole of the annular structure magnetic member of the buckle seat;

(3) After the two hook heads of the buckle assembly completely enter the hook cavity, the two hooks are unfolded to the two sides under the control of the return spring, and the hooks are engaged with the annular snap groove to complete the fastening action of the buckle seat and the buckle.
The automatic fastening method according to claim 8, further comprising the steps of:

(4) performing a tripping action on the tripping structure, and the tripping structure controls the two hooks to be close to each other toward the center of the magnetic member of the toroidal structure, so that the hook is separated from the annular engaging groove; and the buckle is opposite to the buckle seat Pull the direction apart to complete the separation of the buckle and the buckle.
The automatic fastening method according to claim 9, wherein in the step (2), the process of inserting the buckle component in the buckle from the hole in the magnetic structure of the annular structure of the buckle comprises the following: Content: The hook of the snap assembly in the buckle is in close contact with and in contact with the magnetic member of the annular structure, and the end of the hook slides into the hook cavity along the inner slope of the magnetic member of the annular structure.